import router from './router'
import store from './store'
import { Message } from 'element-ui'
import NProgress from 'nprogress' // progress bar
import 'nprogress/nprogress.css' // progress bar style
import { getToken } from '@/utils/auth' // get token from cookie
import getPageTitle from '@/utils/get-page-title'

NProgress.configure({ showSpinner: false }) // NProgress Configuration

const whiteList = ['/login', '/legalStatement', '/userAgreement'] // no redirect whitelist

router.beforeEach(async(to, from, next) => {
  // start progress bar
  NProgress.start()

  // set page title
  document.title = getPageTitle(to.meta.title)

  // determine whether the user has logged in
  const hasToken = getToken()
  const hasRoles = store.getters.roles && store.getters.roles.length > 0
  console.log(to.path)
  if (hasToken) {
    if (to.path === '/login') {
      // if is logged in, redirect to the home page
      if (hasRoles) {
        next({ path: '/' })
        NProgress.done()
      } else {
        next()
      }
      // hack: https://github.com/PanJiaChen/vue-element-admin/pull/2939
    } else {
      // determine whether the user has obtained his permission roles through getInfo
      if (hasRoles) {
        next()
      } else {
        try {
          // get user info
          // note: roles must be a object array! such as: ['admin'] or ,['developer','editor']
          if (to.path === '/register') {
            next()
          } else {
            const { roles, reg, enState } = await store.dispatch('user/getInfo')
            console.log(enState, !reg, parseFloat(enState) !== 0)
            if (!reg || parseFloat(enState) !== 0) {
              if (parseFloat(enState) !== 0) Message.warning('正在审核中')
              next(`/register`)
            } else {
              // generate accessible routes map based on roles
              const accessRoutes = await store.dispatch('permission/generateRoutes', roles)
              // dynamically add accessible routes
              router.addRoutes(accessRoutes)
              // hack method to ensure that addRoutes is complete
              // set the replace: true, so the navigation will not leave a history record
              next({ ...to, replace: true })

              store.dispatch('user/getUserInfo')
            }
          }
        } catch (error) {
          // remove token and go to login page to re-login
          // await store.dispatch('user/resetToken')
          Message.error(error || 'Has Error')
          next(`/login?redirect=${to.path}`)
          NProgress.done()
        }
      }
    }
  } else {
    /* has no token*/

    if (whiteList.indexOf(to.path) !== -1) {
      // in the free login whitelist, go directly
      next()
    } else {
      // other pages that do not have permission to access are redirected to the login page.
      next(`/login?redirect=${to.path}`)
      NProgress.done()
    }
  }
})

router.afterEach(() => {
  // finish progress bar
  NProgress.done()
})
